Senior Traffic Engineer

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

AECOM is seeking a Senior Traffic Engineer to be based in Los Angeles or Orange, CA.

Job Responsibilities: 

• Be part of a team of ITS/Transportation Technology professionals
• Lead, participate, & coordinate engineering production, technical deliverables, and project execution
• Work with the ITS engineering staff on a daily basis throughout the West Coast
• Participate, coordinate, & lead ITS engineering projects and ITS design tasks throughout the West Coast and Greater West Regions
• Support project delivery across the West Coast and Other US Regions
• Support a wide range of ITS projects for freeway, arterial, transit, traffic signal, safety, communications, NS tolling systems as well as digital services, AI, and emerging technologies delivery
• Analyze/identify how best to integrate various systems to optimize effectiveness, operations, and staff resources as well as minimize costs 
• Build and maintain collaborative relationships with AECOM co-workers across Business Lines
• Assist or lead in proposal efforts for various ITS project pursuits
• Perform work in accordance with agreed upon budget and schedule

Minimum Requirements:

• BA/BS and 6 years + experience or demonstrated equivalency of experience and/or education.

Preferred Qualifications:

• BS in Engineering degree.
• 10+ years of relevant ITS and Transportation Engineering experience or demonstrated equivalency of experience and/or education
• Expertise with ITS Systems Engineering (Needs Definition, Concept-of-Operations, System Requirements, Alternatives Analysis, etc.)
• Expertise with High-Level Architectures, Designs, & Plans
• Experience with Communication Networks and Systems Design for data and video, both wireless and fiber optic designs
• Proven California project experience and relationships (people, systems, and Agencies)
• Strong background in ITS design, emerging transportation technologies, and Transportation Systems Management and Operations (TSMO)
• Must be highly self-motivated with the ability to successfully multi-task, perform detail-oriented work, work independently, and demonstrate effective time management skills
• Excellent communication, organization, and problem-solving skills
• Demonstrated ability to write concise and readable technical reports, documents, memorandums, and/or presentations
• Strong verbal and written communication skills and the ability to discuss projects with AECOM co-workers and Clients
• Hands-on experience working on Teams and working with Public Sector Clients
• California PE license
• Proficiency in the ITS Architecture Process
• ITS Design/PS&E skills
• Hands-on System Integration experience
• 5+ years of job-related experience in California, Nevada, Oregon, or Washington

• This position does not offer sponsorship now or in the future.

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.